code: def test_no_mutate_rawbuffers(self):
      a = Tensor.rand(3, 3).realize()
      desired = a.numpy() + 1
      a.assign(a + 1)
      actual = a.numpy()
      np.testing.assert_allclose(actual, desired)
  
file_path: tinygrad/extra/optimization/test_beam_search.py
imports: import unittest
  import numpy
  from tinygrad.helpers import BEAM, Timing
  from tinygrad.shape.symbolic import Variable
  from tinygrad.tensor import Tensor
  from tinygrad.nn import Conv2d
label_desc: Use image node_id 9 for calling the TestBeamSearch obj's underlying member method code with example usage: obj.test_no_mutate_rawbuffers() without return types